9 Computer interfaces for managing alarms of industrial apparatus and installations; Computer interfaces for alarm management of refrigeration appliances and installations; Computer interfaces for tracing gases and refrigerants; Electronic display interfaces for users for gas level, fluids of devices and industrial installations; Computer interfaces for calculating data from industrial apparatus and installations; Computer interfaces for calculating data from refrigeration apparatus and installations; Electronic user display interfaces of carbon emissions (CO2) and energy consumption of industrial devices and installations; Electronic user display interfaces of carbon emissions CO2) and energy consumption of refrigeration appliances and installations; Downloadable alarm management interface software for refrigeration appliances and installations; Downloadable interface software for tracing gases or refrigerants; Downloadable gas or fluid level interface software for industrial devices and installations for displaying gas or fluid levels; Downloadable data calculation interface software for refrigeration appliances and installations for displaying data calculations; Downloadable interface software for displaying carbon emissions (CO2) and energy consumption of industrial devices and installations; Downloadable graphical user interface software for carbon emissions (CO2) and energy consumption of refrigeration appliances and installations; Security alarms for industrial devices and installations; Security alarms and electric warning light systems for industrial devices and installations; Gas leak alarm systems; Refrigerant leak alarm systems; Fluid pH meters; Fluid metering device, namely, pH meters; Energy meters being electric meters for monitoring and controlling energy consumption; Data transmission equipment of industrial apparatus and installations, namely, wireless communication devices for data transmission; Data transmission equipment for refrigeration appliances and installations, namely, wireless communication devices for data transmission; Apparatus for input, extraction, transmission and storage of data from industrial apparatus and installations, namely, computer hardware; Apparatus for entering, extracting, transmitting and storing data from refrigeration apparatus and installations, namely, computer hardware; Apparatus for processing, transmission and storage of database information of industrial apparatus and installations, namely, computer hardware; Temperature sensors, leak detectors and electronic energy meters for monitoring energy usage for industrial refrigerating machines and installations; Gas leak detectors for refrigerating machines and installations; Fluid leak warning detectors for refrigerating machines and installations